英语改错题，帮改一下。谢谢

英语改错题：
1.Tom and Mike study in our school.
2. The students leave the school at five in the evening.
3 The Hefei of 1949 was far smaller than the Hefei of today.
4.The water in this glass has now turned yellow.
5.Some women never eat fish.
6.He is an officer in the army. == He's an army officer.
7.Last Sunday, it was Class Five's turn to visit the History Museum.

我来试试吧。但不保证准确率昂，希望知道答案以后告知我一下谢谢

1、or-----and
2、leave the school---the 去掉
3、was---is
4、now去掉
5、a去掉
6、a---an
7、Fives‘---Five's

1.Tom or Mike studies in our school.
2.The students leave school at five in the afternoon.
3.Size of Hefei in 1949 was far smaller than that of Hefei today.
4.Water in this glass has turned yellow now.
5.Women never eat fish.
6.He is a officer in the army.
7.Last Sunday is the day that Class Fives come back from the History Museum.

1.Tom or Mike studies in our school.
2. The students left the school at five in the afternoon.
3.Hefei of 1949 is far smaller than Hefei of today.
4.Water in this glass has now turned yellow.
5.Some women never eat fish.
6.He is an officer in army.
7.Last Sunday, it's Class Five's turn to visit the History Museum.

1.Tom or Mike studies in our school.
2. The students leave school at five in the afternoon.
3.The Hefei of 1949 was far smaller than the Hefei of today.
4.The water in this glass has now turned yellow.
5.Some women never eat fish.
6.He is an officer in army.
7.Last Sunday, it was Class Five’s turn to visit the History Museum.